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Journal Articles BMC Genomics Year : 2017

The cacao Criollo genome v2.0: an improved version of the genome for genetic and functional genomic studies

Abstract

Background: Theobroma cacao L., native to the Amazonian basin of South America, is an economically important fruit tree crop for tropical countries as a source of chocolate. The first draft genome of the species, from a Criollo cultivar, was published in 2011. Although a useful resource, some improvements are possible, including identifying misassemblies, reducing the number of scaffolds and gaps, and anchoring un-anchored sequences to the 10 chromosomes. Methods: We used a NGS-based approach to significantly improve the assembly of the Belizian Criollo B97-61/B2 genome. We combined four Illumina large insert size mate paired libraries with 52x of Pacific Biosciences long reads to correct misassembled regions and reduced the number of scaffolds. We then used genotyping by sequencing (GBS) methods to increase the proportion of the assembly anchored to chromosomes.
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lirmm-01612258 , version 1 (06-10-2017)

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Xavier Argout, Guillaume Martin, Gaetan Droc, Olivier Fouet, Karine Labadie, et al.. The cacao Criollo genome v2.0: an improved version of the genome for genetic and functional genomic studies. BMC Genomics, 2017, 18 (1), pp.730-739. ⟨10.1186/s12864-017-4120-9⟩. ⟨lirmm-01612258⟩
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